html, body {
  background:url('../../images/common/bg.jpg');
  background-size:cover;
  overflow:hidden
}
#home {
  .icon-logo {
    display:block;
    margin:20px auto 0
  }
  .btn {
    margin-top:31px;
    .icon {
      position:relative;
      right:10px;
      top:3px
    }
  }
  .btn.enter {
    color:#fff;
    background:$color-theme
  }
  .btn:nth-child(2) {
    @include delay(.2s)
  }
  .btn:nth-child(3) {
    @include delay(.4s)
  }
  .btn:nth-child(4) {
    @include delay(.6s)
  }
  .icon-web, .icon-webchat {
    position:fixed;
    bottom:15px;
    span {
      display:none;
      position:absolute;
      top:-65px;
      left:-50%;
      padding:5px;
      background:rgba(0,0,0,.7);
      img {
        display:block;
        width:50px;
        max-width:none
      }
    }
  }
  .icon-web {
    right:20px;
    @include delay(.8s)
  }
  .icon-webchat {
    right:67px;
    @include delay(.6s)
  }
}